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Finding the Fourth Proportional to 73,621, 101,596.98 and 43,813

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Solution

The fourth proportional to 73,621, 101,596.98 and 43,813 is: 60,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,621 : 101,596.98 = 43,813 : x
  2. Step 2: Convert to fraction form
    73,621/101,596.98 = 43,813/x
  3. Step 3: Cross multiply
    73,621x = 101,596.98 × 43,813
  4. Step 4: Simplify right side
    73,621x = 4,451,268,484.74
  5. Step 5: Solve for x
    x = 4,451,268,484.74/73,621
  6. Step 6: Final answer
    x = 60,461.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.